> I didn't think I could be surprised, given that the UK hands out "anti-social behavior orders," but now they want to hack the trolls?

I can kind of see what you're getting at and could agree that they are sometimes misused. However having lived in several locations where just one terrible family of 4-5 people can make the entire road hell to live on for everyone else, day and night, for years, I'm inclined to support their use.